i.icon {
  display: inline-block;
}
.hk-innerCenter {
  position: relative;
  top: 50%;
  transform: translateY(-50%);
}
.hk-inline {
  display: inline-block;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
ul {
  list-style: none;
}
input,
a,
textarea,
div {
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  -webkit-appearance: none;
}
